CVE-2021-21006: adobe photoshop Heap-based Buffer Overflow

Vulnerability summary

CVE-2021-21006 is a high (CVSS 8.6) Heap-based Buffer Overflow vulnerability in adobe photoshop. EPSS estimates a 5.85% chance of exploitation in the next 30 days, higher than 93.1% of scored vulnerabilities.

Timeline

1. 13-01-2021
   PublishedVulnerability first disclosed.
2. 23-04-2025
   Last modifiedVulnerability information updated.

Description

Adobe Photoshop version 22.1 (and earlier) is affected by a heap buffer overflow vulnerability when handling a specially crafted font file. Successful exploitation could lead to arbitrary code execution. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().